Finding the Fourth Proportional to 124,802,323.20, 172,235,928.96 and 69,803,262.72

Step by Step Solution

1. Step 1: Write the proportion equation
   124,802,323.20 : 172,235,928.96 = 69,803,262.72 : x
2. Step 2: Convert to fraction form
   124,802,323.20/172,235,928.96 = 69,803,262.72/x
3. Step 3: Cross multiply
   124,802,323.20x = 172,235,928.96 × 69,803,262.72
4. Step 4: Simplify right side
   124,802,323.20x = 12,022,629,799,018,136
5. Step 5: Solve for x
   x = 12,022,629,799,018,136/124,802,323.20
6. Step 6: Final answer
   x = 96,333,381.39